Timing Chain: Service and Repair

11 31 052 - Replacing both timing chains (M57T2)





Special tools required:
- 11 3 340






Necessary preliminary tasks:
- Remove engine
- Remove cylinder head Removal and Replacement.
- Remove oil sump
- Replace crankshaft radial seal Service and Repair
- Remove timing case Service and Repair





Important!
Protect alternator against engine oil.
Cover alternator with suitable apparatus.
(Risk of damage).
Assemble charge air hoses without grease and dry.





Lock chain tensioner (1) at bottom with special tool 11 3 340.
Detach clamping rail (3).
Detach guide rail (4).

Installation:
Tightening torque 13 52 2AZ.





Assemble engine.